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Finding the Fourth Proportional to 228,237.49, 342,503.12 and 123,129.01

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Solution

The fourth proportional to 228,237.49, 342,503.12 and 123,129.01 is: 184,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,237.49 : 342,503.12 = 123,129.01 : x
  2. Step 2: Convert to fraction form
    228,237.49/342,503.12 = 123,129.01/x
  3. Step 3: Cross multiply
    228,237.49x = 342,503.12 × 123,129.01
  4. Step 4: Simplify right side
    228,237.49x = 42,172,070,087.51
  5. Step 5: Solve for x
    x = 42,172,070,087.51/228,237.49
  6. Step 6: Final answer
    x = 184,772.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.